package com.test5.liang.dao;

import com.test5.liang.pojo.User;
import org.apache.ibatis.annotations.Mapper;

import java.util.List;


@Mapper
public interface UserMapper {

     User findUserByName(String userName);

     int insertUser(User user);

     int updateUser(User user);

     List<User> selectAllUser();



}
